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A251534 Domination number of obtuse knights graph N_n. 0
1, 3, 6, 4, 5, 5, 6, 6, 9, 11, 12, 14, 15, 16, 18, 19, 23, 25, 27, 30 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

Stan Wagon, Graph Theory Problems from Hexagonal and Traditional Chess, The College Mathematics Journal, Vol. 45, No. 4, September 2014, pp. 278-287

Eric Weisstein's World of Mathematics, Domination Number

CROSSREFS

Sequence in context: A318524 A155530 A249032 * A073233 A011287 A090963

Adjacent sequences:  A251531 A251532 A251533 * A251535 A251536 A251537

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Dec 04 2014

EXTENSIONS

a(20) = 30 from Eric W. Weisstein, Mar 04 2016

STATUS

approved

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Last modified October 19 15:48 EDT 2019. Contains 328223 sequences. (Running on oeis4.)